Temperature trend indicator



FIG. 1 is a front perspective view of an embodiment of a temperaturetrend indicator.

FIG. 2 is a front perspective view of a second embodiment of atemperature trend indicator.

FIG. 3 is a front perspective view of a third embodiment of atemperature trend indicator; and,

FIG. 4 is a front perspective view of a fourth embodiment of atemperature trend indicator.

The ornamental design for a temperature trend indicator, as shown anddescribed.